Bitshares Market Making Contest, to place order is to mine out BTS, everyday up to 60K BTS are waiting for you, not only place order to mine, you can also arbitrate between BTS DEX and huobi, binance, AEX, ZB., etc. 0.3%~0.5% expected daily profit rate.

### Brief
Market makers place orders onto the order book.
The bigger the orders and
the closer the orders to the opposite side of the order book and
the longer the orders lasting on the order book,
the more rewards the owner of the orders will earn.

### Details
After each block is produced, a snapshot of the order book will be captured. Every order on the markets will be scored.

The orders whose size is smaller than 100 BTS will be ignored when calculating.
Get the lowest ask price (LAP) and highest bid price (HBP) of the remaining order book.
For bids (orders buying BTS), order_distance = (LAP - order_price) / LAP
For asks (orders selling BTS), order_distance = (order_price - HBP) / order_price

Group 1: orders whose order_distance is within [0%, 1%] will share up to 53% of total reward;
Group 2: orders whose order_distance is within (1%, 2%] will share up to 25% of total reward;
Group 3: orders whose order_distance is within (2%, 3%] will share up to 12% of total reward;
Group 4: orders whose order_distance is within (3%, 5%] will share up to 6% of total reward;
Group 5: orders whose order_distance is within (5%, 7%] will share up to 3% of total reward;
Group 6: orders whose order_distance is within (7%, 10%] will share up to 1% of total reward.

For each group, group_score = group_reward_percent * min(1, total_order_size / 1,000,000 BTS).

Gateways included：GDEX.BTC GDEX.USDT RUDEX.BTC RUDEX.USDT SPARKDEX.BTC XBTSX.BTC

Bitshares reserve the rights of rules update and final explanation of this contest.

For more detail please check, https://bitsharestalk.org/index.php?topic=31515.0

To participate, please access: https://wallet.bitshares.org/ or https://xbts.io/ get a BTS account and deposit BTC/USDT, then you can mine BTS by placing orders!

Have a good day!